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ICSE Class 10 Answered

(x+1)(2x+8)=(x-7)(x+3)
Asked by ajaykumarnaryal75 | 28 May, 2023, 13:52: PM
answered-by-expert Expert Answer
(x+1)(2x+8)=(x-7)(x+3)
2x2 + 10x + 8 = x2 - 4x - 21
x2 + 14x + 29 = 0
straight x equals fraction numerator negative 14 plus-or-minus square root of 196 minus 116 end root over denominator 2 end fraction equals fraction numerator negative 14 plus-or-minus square root of 80 over denominator 2 end fraction equals fraction numerator negative 14 plus-or-minus 4 square root of 5 over denominator 2 end fraction equals negative 7 plus-or-minus 2 square root of 5
Answered by Renu Varma | 29 May, 2023, 09:48: AM

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